https://bugs.freedesktop.org/show_bug.cgi?id=55658
Priority: medium
Bug ID: 55658
Assignee: [email protected]
Summary: Tables as XML, illustrations and diagrams as SVG
Severity: major
Classification: Unclassified
OS: All
Reporter: [email protected]
Hardware: Other
Status: UNCONFIRMED
Version: 3.6.2.2 release
Component: filters and storage
Product: LibreOffice
Writing digital documents containing text, tables, calculations, drawings and
diagrams, distributing them to other people, and opening them either for
reading or editing in other applications have been a wish for many years, hence
ODF. ODF tries to reuse existing web standards as much as possible.
I really like LibreOffice, and its many export extensions like DAISY, EPUB, PDF
and Mediawiki/Wikipedia.
This is why I find the Save to HMTL feature in LibreOffice 3.6.2 quite, quite
bizarre, and in need of some love.
Bizarre 1
HTML - HyperText Markup Language - has had support for tables since 1996, it is
unclear why LibreOffice 3.6.2 in 2012 turns Calc tables into raster images when
you copy-paste from Calc to Writer or insert an OLE-link to the Calc document.
Bizarre 2
SVG - Scalable Vector Graphics is an open 2D drawing standard by the World Wide
Web Consortium, started in 1999, supported in all major illustration
applications, modern browsers, and a requirement of ebook readers supporting
the electronic book standard EPUB. I do understand that ODF Draw is the primary
drawing format in LibreOffice, yet SVG seems to plays a great part in this
http://www.w3.org/Graphics/SVG/WG/wiki/Proposals/SVG_in_ODF
http://idippedut.dk/post/2008/01/Embrace-and-extend---SVG-revisited.aspx
http://docs.oasis-open.org/office/v1.2/os/OpenDocument-v1.2-os-part1.html
so I cannot get my head around why Save to HTML in LibreOffice 3.6.2 in 2012
exports illustrations and diagrams to GIF (!) or PNG. It makes more sense to
include a Calc diagram in a Writer document as SVG and have Save to HTML
include the SVG. This would obviously help in many other export situations as
well - PDF, EPUB, Mediawiki, and reduce file sizes in sum greatly.
Bizarre 3
Given that ODF itself is a ZIP-archive file, and most web servers can read be
made to compress and uncompress these on the fly, meaning Content Management
Systems could receive a ODF-file from a user and just style it to look right,
destroying tables by making them raster images (PNG/GIF) and diagrams into
suboptimal formats makes it harder for web developers and ebook readers to
provide crisp and clear content for cell phones, tablets, laptops and what have
you.
Bizarre 4
Given that office users in public administration must store digital documents
for a very long time, project documents that run for years are updated on a
yearly basis, and the number of documents are in the millions each year,
turning tables and diagrams into raster images increases their storage space
needs quite needlessly. These hugh piles of documents are naturally replicated
at different data centres. Doing something about this would actually cut public
spending.
Bizarre 5
Today, ebooks outsell paper books, LibreOffice is able to export to EPUB with
an extension, yet any table, illustration or diagram any textbook writer would
like students to see will be unclear and difficult to see at different screen
sizes/resolutions because Calc tables, diagrams or illustrations are turned
into raster images.
To conclude - please give this some love and attention - thank you, you are all
doing a wonderful job!
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